Hydrogen-isotope permeation barrier

Details Hydrogen-isotope permeation barrier Hydrogen-isotope permeation barrier

1975-09-09

1977-06-28

Rutledge, L. Dewayne

Pipes and tubular conduits

Distinct layers

428586, 138143, 138177, B32B 1518, B32B 1520

Patent

active

040319210

ABSTRACT:
A composite including a plurality of metal layers has a Cu-Al-Fe bronze layer and at least one outer layer of a heat and corrosion resistant metal alloy. The bronze layer is ordinarily intermediate two outer layers of metal such as austenitic stainless steel, nickel alloys or alloys of the refractory metals. The composite provides a barrier to hydrogen isotopes, particularly tritium that can reduce permeation by at least about 30 fold and possibly more below permeation through equal thicknesses of the outer layer material.

REFERENCES:
patent: 2718690 (1955-09-01), Ulam
patent: 2845698 (1958-08-01), Giovannucci et al.
patent: 3381364 (1968-05-01), Winter
patent: 3589873 (1971-06-01), Poth
patent: 3589874 (1971-06-01), Butt
patent: 3614379 (1971-10-01), Troton
patent: 3861884 (1975-01-01), Popplewell

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